fix: add Dockerfile and gitea ci pipeline

.gitea/workflows/publish-docker.yml

@@ -0,0 +1,46 @@
+---
+name: Build and Publish Docker Image
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v*'
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Log in to Gitea Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.br0tkasten.de
+          username: ${{ gitea.actor }}
+          # access token of the user triggering this action
+          # in gitea -> user settings -> applications -> new token -> write:packages and write:repositories
+          # then in gitea -> user settings -> actions -> secrets -> add new secret named "TOKEN" with the value of the access token.
+          password: ${{ secrets.TOKEN }} 
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: git.br0tkasten.de/${{ gitea.repository }}
+          flavor: |
+            latest=true
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=sha
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+

Dockerfile

@@ -0,0 +1,20 @@
+# Use an official Python runtime as a parent image
+FROM python:3-slim
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the requirements file into the container
+COPY requirements.txt .
+
+# Install any needed packages specified in requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the current directory contents into the container at /app
+COPY . .
+
+# Make port 9080 available to the world outside this container
+EXPOSE 9080
+
+# Run the application using Gunicorn
+CMD ["python3", "app.py"]

entrypoint.sh

@@ -1,13 +0,0 @@
-#!/bin/sh
-
-BASE=$(dirname $0)
-cd $BASE
-git pull
-if [ -d env ];
-then
-    python3 -m venv env
-fi
-
-source env/bin/activate
-pip3 install -U -r requirements.txt
-exec python3 app.py

requirements.txt

@@ -1 +1 @@
-websockets
+websockets

webapp.initrc

@@ -1,13 +0,0 @@
-#!/sbin/openrc-run
-
-name="scratch-cloudvars-server"
-command="/data/entrypoint.sh"
-pidfile="/var/run/$SVCNAME.pid"
-command_background="yes"
-output_logger="/usr/bin/logger"
-error_logger="/usr/bin/logger"
-
-depend() {
-	need net
-	use logger
-}